This Doctor-Approved Trick Tells You Exactly How Many Carbs You Should Eat

Carbohydrates are arguably the most divisive food group. Pizza, pasta, bread, and the like have the ability to inspire cult-like adoration while millions of others have sworn off carbs completely. Love them or hate them, everyone digests carbs differently and has a different threshold for intolerance. But according to geneticist Sharon Moalem, author of The DNA Restart, you can discern how well your body digests carbs and illuminate your personal carb tolerance with something called "the cracker test."